Who believe that the number 13 is actually a good luck number not a bad luck number?
Strikingly similar folkloric aspects of the number 13 have been noted in various cultures around the world: one theory is that this is due to the cultures employing lunar-solar calendars (there are approximately 12.41 lunations per solar year, and hence 12 “true months” plus a smaller, and often portentous, thirteenth month). This can be witnessed, for example, in the “12 days of Christmas” of Western European tradition. “As to the significance of thirteen, all are aware that it has come down to us as a number of ill-omen. Many superstitions cluster around it, and various explanations are current concerning them. “Unfortunately, those who go backwards to find a reason seldom go back far enough. The popular explanations do not, so far as we are aware, go further back than the Apostles. But we must go back to the first occurrence of the number thirteen in order to discover the key to its significance. It occurs first in Gen. xiv. 4, where we read ‘Twelve years they served Chedorlaomer, a
